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Means and standard deviations of the movement parameters of the τG ‐coupled action units for full‐term and premies. Significances of group mean differences were tested using the t test
| Full‐term | Premie | ||||
|---|---|---|---|---|---|
| Mean | SD | Mean | SD | p | |
| k Y,G | 0.409 | 0.194 | 0.376 | 0.194 | <.05 |
| No. movement units | 1.631 | 0.847 | 1.755 | 1.022 | .096 |
| Percentage τG ‐coupled | 96.82 | 2.07 | 96.61 | 2.14 | .215 |
| Duration (s) | 0.455 | 0.186 | 0.457 | 0.193 | .939 |
| Distance (mm) | 32.19 | 22.18 | 24.42 | 14.47 | <.001 |
